Mastery of this task requires the animal to learn a simple discrimination between two identical objects that differ in color.
Although the most obvious explanation for the decrease in self-efficacy was the inability of participants to generate the correct diagnosis (i.e., they did not attain mastery of this task), one could also argue that the shifts were simply a reflection of the participants' poor self-assessment or calibration at the outset of the study (Bol et al. 2005; Eva and Regehr 2005; Kruger and Dunning, 1999).
My former boss Senator Jeff Bingaman (D-NM) was one of the first to support Daschle in his bid to become Democratic leader in the Senate -- and I often had a front row seat of his excellent mastery of the complex task of managing a bit less than five dozen and a bit more than four dozen US Senators.
Schwartz, therefore, advises approaching the mastery of these tasks as a lifelong learner, which makes it all more palatable.
And Julie Fajgenbaum, CEO of Tweed Wolf spoke of a mother's required mastery of "task triage"–the ability to instantly assess priorities among what's urgent, what's important, what's feasible, and what's too big a task for the moment.
But the mastery of new tasks isn't the only challenge.
Inclusion criteria were as follows: having joined the institution more than 3 months ago to ensure adequate familiarity with the tasks, and adequate mastery of the Spanish language.
To say this is to recognize that the equipment needed by the critic for his task includes a mastery of the whole field of study within which his text lies; for the editing of Homer (to take an extreme case), a period of some 3,000 years.
Foremost among the modern social learning theorists is Albert Bandura, who proposed that the cognitive processes that mediate behavioral change, like those in adolescence, are influenced by prompting or modifying the self-efficacy or experience leading to the mastery of skills or tasks.
There is something profound and poignant in these struggles, which illustrate one of the fundamental tasks of babyhood: the mastery of the physical environment.
